please help me with this

QUESTION 3 Jetstar offers a variety of different sales throughout the year. It offers Christmas Sale fares with reduced prices of 30% for flights over the Christmas holiday period. It also offers other sales enabling customers to buy selected domestic flights for $1. Select the item from the list provided to make the following statements true. With both types of sale fares, ceteris paribus, quantity demand 1. Movement up and along the demand curve would have 2. Increase 3. Not equal When compared to sale fare prices, the quantity demanded when 4. Shift to the left of the demand curve no sales fares are available, ceteris paribus, would 5. Decrease Given there is a decrease in prices with the sales 6. Decrease in demand promotion, ceteris paribus, how is the impact on demand 7. Shift right of the demand curve described by an economist? 8. Shift left of the supply curve 9. Movement both up and down along the demand curve 10. Movement down and along the demand curve 11. Not enough information to know 12. Nothing has changed